diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 94dbc470cd6c..7050f0f7fe3d 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -224,17 +224,17 @@ int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, size_t size)
 
 	switch(size) {
 	case 1:
-		outb(port, val);
+		outb(val, port);
 		return 1;
 	case 2:
 		if (port & 1)
 			return -EINVAL;
-		outw(port, val);
+		outw(val, port);
 		return 2;
 	case 4:
 		if (port & 3)
 			return -EINVAL;
-		outl(port, val);
+		outl(val, port);
 		return 4;
 	}
 	return -EINVAL;